%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-4-37 on page II-177 in "amsmath, accents, mathdots --- Various accents".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{123.0pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{amsxtra}
%StopShownPreambleCommands

\begin{document}
$(xyz)\spdddot$ \quad $(xyz)\spddot$ \quad $(xyz)\spdot$ \\
$(xyz)\spbreve$ \quad $(xyz)\spcheck$ \\
$(xyz)\sphat$   \quad $(xyz)\sptilde$
\end{document}
